Engine transmission mechanism capable of replacing crankshafts and connecting rods and linkage power transmission mechanism

Abstract

The invention discloses an engine transmission mechanism capable of replacing crankshafts and connecting rods. The engine transmission mechanism comprises sector gears, racks and rotary arms. Each sector gear is mounted at an end of a spindle, the racks can slide on guide plates and can be reset by the aid of the rotary arms, the racks and the gear sectors are alternately meshed with one another, the spindles can rotate along with the driving sector gears and output power, journals on the side surfaces of the sector gears and resetting round bars on the side surfaces of the racks alternately drive the rotary arms by the aid of journal slide grooves and reset slide grooves to swing in a reciprocating manner, the journal slide grooves and the reset slide grooves are formed in the rotary arms, end teeth at one end of each sector gear are separated from end teeth at one end of the corresponding rack when pistons are positioned at lower dead centers, collision of the journals and ports of the journal slide grooves can be prevented by the journals by the aid of guide grooves of the rotary arms, collision of end teeth at the other end of each sector gear and end teeth at the other end of the corresponding rack can be prevented by the journals by the aid of the guide grooves when the pistons cross upper dead centers, and accordingly reciprocating linear movement of the pistons and rotation movement of the sector gears can be stably switched over. The engine transmission mechanism has the advantages that the engine transmission mechanism can replace crankshaft and connecting rod transmission actuators, accordingly, inherent shortcomings of crankshaft and connecting rod mechanisms can be overcome, and the conversion efficiency of engines can be greatly improved.

Description

technical field [0001] The invention relates to an engine transmission device, in particular to a reciprocating linear motion and circular motion conversion mechanism to replace the engine transmission device of the crankshaft connecting rod mechanism. Background technique [0002] In mechanical engineering, such as piston engines, compressors and other machines that need to convert linear reciprocating motion and circular motion, crankshaft (crank) connecting rod conversion mechanism is generally used at present. [0003] The design and manufacture of the traditional crankshaft-connecting-rod mechanism have been very perfect, but there are inherent defects in both theoretical analysis and practical application: [0004] 1. The conversion efficiency of the crankshaft connecting rod mechanism is low. Taking the piston-connecting rod-crankshaft conversion mechanism engine as an example, the gas pressure acting on the piston is transmitted to the crankshaft through the connect...

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Problems solved by technology

[0005] 2. The swing of the connecting rod in the crankshaft-connecting rod mechanism causes the gas pressure acting on the piston to generate a lateral pressure vertical to the cylinder wall, which increases the lateral friction between the piston and the cylinder wall and accelerates the lateral wear of the cylinder wall. It not only reduces the working efficiency of the piston, but also causes the "cylinder" to make the piston unable to work;

[0006] 3. In the crankshaft and connecting rod mechanism, the unbalanced rotary mass and rotary motion caused by the swing of the connecting rod cause the inertial force, which makes the piston, the cylinder wall and the rotating contact surface produce alternating impact force, which increases the uneven friction and impact between the various components. , not only affects the output power of the engine, but also causes the engine to generate greater vibration and noise

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